Journal ArticleDOI
Hierarchical porous carbon derived from sulfonated pitch for electrical double layer capacitors
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In this article, Hierarchical porous carbon (HPC) has been synthesized using sulfonated pitch as a precursor with a simple KOH activation process and the effect of the activation agent to precursor ratio on the porosity and the specific surface area is studied by nitrogen adsorption-desorption.About:
This article is published in Journal of Power Sources.The article was published on 2014-04-15. It has received 142 citations till now. The article focuses on the topics: Specific surface area.read more
Citations
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Nitrogen-doped mesoporous graphene with fine-tuned pore size in a few nanometer-scale for supercapacitor applications
TL;DR: In this paper, a soft-template method was used to synthesize mesoporous graphene using graphite oxide (GO) and triblock copolymer (Pluronic P123) in the presence of ammonia water.
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A facile post-synthetic modification of ordered mesoporous carbon to get efficient catalysts for the formation of acetins
Joanna Goscianska,Anna Malaika +1 more
TL;DR: In this paper, high active and stable solid acid catalysts based on ordered mesoporous carbons were synthesized via hard template method and further functionalization with sulfonic (SO3H) groups.
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Fabrication of conductive carbonaceous spherical architecture from pitch by spray drying
TL;DR: In this article, a continuous spray drying method was used to synthesize amphiphilic sulfonated pitch-based spherical nanoparticles, which were further carbonized and activated by KOH to obtain porous spheres.
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A smart bottom-up strategy for the fabrication of porous carbon nanosheets containing rGO for high-rate supercapacitors in organic electrolyte
TL;DR: In this article, a bottom-up strategy to transformation of pitch into porous carbon nanosheets containing reduced graphene oxides (PCSG) through a soft solution process coupling with KOH activation is designed.
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Facile synthesis of biomass-derived hierarchical porous carbon microbeads for supercapacitors
TL;DR: Using the facile method of solvent evaporation, the leonardite fulvic acids (LFA)-based porous carbon microbeads (PCM) have been successfully prepared at ambient pressure, followed by carbonization and KOH activation in an inert atmosphere.
References
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Journal ArticleDOI
Materials for electrochemical capacitors
TL;DR: This work has shown that combination of pseudo-capacitive nanomaterials, including oxides, nitrides and polymers, with the latest generation of nanostructured lithium electrodes has brought the energy density of electrochemical capacitors closer to that of batteries.
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Carbon materials for the electrochemical storage of energy in capacitors
TL;DR: In this article, different types of capacitors with a pure electrostatic attraction and/or pseudocapacitance effects are presented, and their performance in various electrolytes is studied taking into account the different range of operating voltage (1V for aqueous and 3 V for aprotic solutions).
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Anomalous Increase in Carbon Capacitance at Pore Sizes Less Than 1 Nanometer
TL;DR: The results challenge the long-held axiom that pores smaller than the size of solvated electrolyte ions are incapable of contributing to charge storage.
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Carbon Materials for Chemical Capacitive Energy Storage
TL;DR: In order to further improve the power and energy densities of the capacitors, carbon-based composites combining electrical double layer capacitors (EDLC)-capacitance and pseudo-Capacitance have been explored and show not only enhanced capacitance, but as well good cyclability.
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Metal-organic framework as a template for porous carbon synthesis
TL;DR: Porous carbon was synthesized by heating the precursor FA within the pores of MOF-5 to display a high specific surface area and important hydrogen uptake and excellent electrochemical properties as an electrode material for electrochemical double-layered capacitor (EDLC).